snapshot: Make destructors of interface classes public and virtual

snapshot/test/test_module_snapshot.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 15 matching lines @@
 #include "snapshot/module_snapshot.h"
 
 namespace crashpad {
 namespace test {
 
 //! \brief A test ModuleSnapshot that can carry arbitrary data for testing
 //!     purposes.
 class TestModuleSnapshot final : public ModuleSnapshot {
  public:
   TestModuleSnapshot();
-  ~TestModuleSnapshot();
+  ~TestModuleSnapshot() override;
 
   void SetName(const std::string& name) { name_ = name; }
   void SetAddressAndSize(uint64_t address, uint64_t size) {
     address_ = address;
     size_ = size;
   }
   void SetTimestamp(time_t timestamp) { timestamp_ = timestamp; }
   void SetFileVersion(uint16_t file_version_0,
                       uint16_t file_version_1,
                       uint16_t file_version_2,
@@ skipping 54 matching lines @@
   std::vector<std::string> annotations_vector_;
   std::map<std::string, std::string> annotations_simple_map_;
 
   DISALLOW_COPY_AND_ASSIGN(TestModuleSnapshot);
 };
 
 }  // namespace test
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_TEST_TEST_MODULE_SNAPSHOT_H_